def get_responder(request):
    user = request.user
    if user.department.leader.uid == user.uid:
        if user.department.name == '董事会':
            responder = None  # 董事会老大没有审批者
        else:
            responder = user.department.manager  # 部门老大审批人就是董事会负责人
        # 2.不是部门leader
    else:
        responder = user.department.leader
    return responder